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RZ3A60A55P – SSR 3 POLE ZS 42-660V 55A 24-275VAC +OTP
Carlo Gavazzi RZ3A60A55P solid state relay, a three-phase 55 A zero-cross switching relay with over-temperature protection and alarm output for industrial automation applications.
£219.99
Why Choose the Carlo Gavazzi RZ3A60A55P Solid State Relay?
The Carlo Gavazzi RZ3A60A55P is a high-performance three-phase solid state relay (SSR) designed for reliable switching of industrial AC loads including heating elements, motors and process control equipment. As part of the advanced Carlo Gavazzi RZ3A solid state relay series, it combines zero-cross semiconductor switching technology with integrated protection features for demanding industrial automation applications.
This panel-mounted SSR provides silent, fast and maintenance-free switching while eliminating mechanical wear associated with traditional contactors. The RZ3A60A55P features zero-cross switching, over-temperature protection with alarm output and built-in overvoltage protection, providing improved reliability and monitoring in industrial control systems.
With a rated current of 55 A AC, a 42–660 V AC operating voltage range and a flexible 24–275 V AC / 24–50 V DC control input, the RZ3A60A55P is suitable for high-power three-phase applications including industrial heating, machinery and automated production systems.
Key Advantages
- Advanced three-phase solid state relay designed for industrial switching applications.
- 55 A AC rated current for high-power load control.
- Zero-cross switching technology reduces electrical noise and switching stress.
- Integrated over-temperature protection with alarm output.
- 24–275 V AC / 24–50 V DC control input compatible with industrial controllers.
- Built-in overvoltage protection for improved system reliability.
Key Features
- Carlo Gavazzi RZ3A solid state relay series.
- Three-phase AC solid state switching.
- Zero-cross switching mode.
- 55 A AC-51 rated operational current.
- 15 A AC-53a rated operational current.
- 42–660 V AC operating voltage range.
- 24–275 V AC control voltage.
- 24–50 V DC control voltage.
- Integrated over-temperature protection and alarm output.
- Built-in overvoltage protection with integrated varistor.
- LED indication for control input and alarm status.
Reliable Solid State Switching for Industrial Automation
Solid state relays such as the Carlo Gavazzi RZ3A60A55P use semiconductor technology to provide fast, silent and reliable switching of electrical loads. The zero-cross switching function helps minimise electrical interference while improving the operational life of connected equipment.
The RZ3A series is designed for machine builders, automation engineers and industrial equipment manufacturers requiring dependable three-phase load control. Its integrated thermal protection, alarm output and flexible control inputs allow straightforward integration into modern industrial systems.
Typical Applications
- Industrial heating systems and electrical ovens.
- Plastic extrusion and processing machinery.
- Packaging and production equipment.
- Motor and process control applications.
- Industrial automation systems.
- OEM machinery and electrical control panels.
Technical Specifications
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| Device Type | Solid State Relay | |
|---|---|---|
| Terminal Type | Screw | |
| Switching Current (A) | 55 A | |
| Mounting Type | Panel | |
| Coil / Supply Voltage | 110 V AC, 115 V AC, 120 V AC, 208 V AC, 220 V AC, 230 V AC, 240 V AC, 380 V AC, 400 V AC, 415 V AC, 440 V AC, 48 V AC, 480 V AC, 500 V AC, 575 V AC, 600 V AC | |
| Manufacturer | Carlo Gavazzi | |
| Series | RZ3A Solid State Relays | |
| Model | RZ3A60A55P | |
| Product type | Three-phase solid state relay | |
| Switching mode | Zero cross switching | |
| Number of phases | 3 | |
| Number of poles | 3 | |
| Rated operational current AC-51 | 55 A | |
| Rated operational current AC-53a | 15 A | |
| Operating voltage | 42–660 V AC | |
| Control voltage AC | 24–275 V AC | |
| Control voltage DC | 24–50 V DC | |
| Operating frequency | 45–65 Hz | |
| Mounting type | Panel mounting | |
| Connection type | Screw terminals with captive clamp | |
| Operating temperature | -30 to +80 °C | |
| Dimensions (H × W × D) | Approx. 41 × 73.5 × 103 mm | |
| Weight | Approx. 380 g |
Frequently Asked Questions
What is the Carlo Gavazzi RZ3A60A55P used for?
This solid state relay is used for switching three-phase AC loads in industrial automation, heating and process control applications.
What current rating does the RZ3A60A55P support?
The relay supports a rated operational current of 55 A AC for AC-51 industrial switching applications.
What control voltage is required?
The RZ3A60A55P supports 24–275 V AC or 24–50 V DC control inputs.
What protection features are included?
The relay includes over-temperature protection with alarm output and integrated overvoltage protection for improved operational reliability.
Where is this solid state relay installed?
The RZ3A60A55P is designed for panel mounting inside industrial control cabinets and automation systems.
Trusted by Industrial Automation Engineers Worldwide
Carlo Gavazzi RZ3A solid state relays are trusted by automation engineers and machine builders for reliable three-phase load switching, efficient operation and long service life in demanding industrial environments.
